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. 2008 Sep 26;295(5):H2143–H2148. doi: 10.1152/ajpheart.00050.2008

Fig. 2.

Fig. 2.

Residual nitrite plotted against incubation time for experiments in which homogenates of sanguinous (A) or asanguinous (B) heart tissue were incubated with 2,000 nmol/l sodium nitrite at 25°C under conditions listed. Oxy, incubation medium purged with oxygen; De-Oxy, purged with nitrogen; De-Oxy pH 5.5, pH of medium adjusted to 5.5 with HCl and then purged with nitrogen; De-Oxy allo, pH of medium adjusted to 5.5 with HCl and then purged with nitrogen in presence of 100 μM allopurinol. *P < 0.05 vs. time = 0.